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Watching old videos or listening to bygone radio shows might help you unearth fascinating memories from your older relatives. https://www.saturdayeveningpost.com/2019/12/no-sweat-tech-using-youtube-to-learn-more-about-your-family-history/
@estherschindler
Internet Archive (https://archive.org/) also has a lot of old-time radio shows uploaded there. So does Librivox. And for SiriusXM subscribers, there's a whole channel of it, including many fascinating vintage ads.